内置保护电路，使用更可靠，镀金触点，经久耐用。
Protective circuit inside and use reliably. Glod-plated contacts, durable.
研究了大量失效手机中的镀金触点后发现，触点表面污染是造成电接触故障的主要原因之一。
The contamination on contact surfaces was found to be one of the main reasons to cause electric contact failure by analyzing lots of gold plated contacts in failed mobile phones.
镀金触点表面的微孔率是表征镀层质量的重要指标，它表明了镀层对基体防护作用的优劣程度。
Microporosity of the surface of Gold Plated Contacts which indicates the protection performance of plating layers to matrix is an important index for quality of plating surface features.
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